chorlton



Y A. E. L. CHORLTONJ INTERNAL comausnow ENGINE. APPLlCATION FILED MMY 25.1917.

1,319,757. Patented Oct. 28, k912i.

2 SHEETS SHEET A. E. L. CHORLTON INTERNAL COMBUSTION ENGINE. APPUCATION HLED MAY25. 1911.

Patented Oct. 28, 1919.

2 SHEETS-SHEET 2.

l STATES" PATENT. OFFICE:

. ALAN EnnEs'r LEOFRIFC. cnonn'ron, on SWALLOWBEGK, LINCOLN, imennmi.

INTERNAL-CljMBUSTION ENGHTE.

To all whom it may concern: v Be it known that I, ALAN-ERNEST Lnormc Ci-ronn'roiv 11 subject of the King of England, residing at Swallowbeck, Lincoln, in Eng land, have invented certain new and useful Improvements in Internal-Combustion Engines,-of which the following is a; specification.

This-inve'ntion relates to internal combustion engines of the type having a closed crank case in which by t e action of the piston a gaseous fluid which may consist of air,

4 combustible mixture or products of combustion is compressed for the-purpose of supplying a superchar eto the cylinder and he for its object to efi ect'thi superchurging in such amanner esto sec re that increased power and higher economy which should be thereby obtainable. In articular the present invention obviates t e carrying over 0 oil irom the crank case to the cylinders disadvantage which is inhercntin the design of those engines of this type which are so far-in use. i i

According to this invention a, separate chamber or receiver which may be suitably cooled is connected at one end to the crank case and at the other end to the engine cylformin the supercherge is-broug as P0581" is into contact witlilglie nist of inder or cylinders so that by the suction action of the piston or pistons in'thc crank caseeir or other gaseous fluid which'is to serve as a. 'supercharge is first drawn into the receiver and after compression is expelled therefrom intothe 'ne cylinder or cylinders when supercharging is takin The result is that the gaseous fiuit t its little oil in the crenk case-which sri 'gtrom the lubri'cetion of the moving parts t i'ein, Thus is overcome th deleteriousiefl' t in the older types of such engines of discharging to. the engine cylinder an excess of lubricating 01]. from the crank case.

place.

The communication between the receiver and the interior of the crank case s such that while rmitting free passe e of gas eous fluid t erethrough the o" co t'tho. crank case end of thi commu'mcation'us so disposed or shielded and the sssege itself is so .formed that the possi zllty being carried over into the receiver and thence to the'cylindei' is reduced to e minimum. The capacity of the receiver is preferebly such that the whole'or the manor portion of the gaseous fluid which is to consti-' the drawings.

of oil Specification of Letters Patent. Patented Oct. 28, 191. Application filed May 25, 1917. Serial no. 110,250,.

tute the supercharge. will not be drawn through the receiver into the cralnk case but will merely fill the receiver and be expelled thence into the-cylinder b r the pressure orethe gaseous fluid constituting the superchu rgc and subsequently compress it and force it into the cylinder. Conveniently air is employed for the superchnrge but if pre-- ferred s combustible mixture or products of combustion may be utilized in the same way. 10

As has been the practice in previous constructions it isconvenicnt and in most cases desirable to introduce the superchurge into the cylinder through ports in the well thereof which ports are uncovered by the piston toward-the end of its outstroke. As it is necessary to prevent the products of combustion from pnaing out of the cylinder into the receiver at the end of the working stroke of the piston a valve is employed to control k the communication between the receiver and the interior of the cylinder. According to this invention this valve is conveniently of the rotary or semi-rotary type and is or ranged not only to control the passage of the supercharge into the cylinder but also the orifice through which gaseous fluid is drawn into the receiver prior to compression therein.

The uccmnpunyiug drawings illustrate v and by way of example two nmilifiiis of putting the invention into fpractice.

Figure l is a vertical sectional elevation somewhat diagramznaticullv of the cylinder and crank case of an internal combustion engine ccnstructedgin accordance with the present invention. 1

Fi 2 is an elevation urtly in section showing the application 0 the invention to an engine of the V-type.

Like letters indicate like parts throughout The cylinder A, which is, provided with the usual inlet and exheust'fvelves B and C,

is mounted on a closed crank case I) into which the'end of the cylinder opensl Thus in the cylinthe piston E as it reciprocates eflect in the dot will exercise a pumpm crank case D. Outside the cylinder and crank case is disposed a. receiver which min -.1110 prises a ser-iesof tubes F jwhose ends ard carried in tnhe plates Ffhnd open into small chambers F F formed by the end portions The valve K is so operated by suitable of a c lindrical easing G which incloses the mechanism that on the instroke of the piston tubes Into this casing G toward its ends E, when suction is taking Blace by the piston 'lead ipes G G through which water passes in thecrank chamber the inlet J} 13 5 and y circulating about the tube F cools opened and gaseous fluid can flow freel into. 70 the gases therein. The end F of the tubllthe receiver F, the deliver openin J lng ar receiver communicates with the interior as explained at this time closed. 11 the outof the crank case D by means of a pipe H tr- J-f th pist n, when compression of which passes horizontal]. through the wall th ous fluid thu drawn in is taking of the crank case and is t ien carried upward place in the crank case D, the valve is rotated 75 as at H. The end H of this pipe, which is so as t clos the inlet ort J During the open, is directed downward and toward the outstroke of the piston if this happens to wall of the crank casing D and is provided b its harging troke the valve K is rotated with an inclined lip H which is extended so as to o th di arge orifice J by the 15 into the pipe at the bend thereof for examtime the cylinder ports A are uncovered by 80 file 111 e manner shown in the drawings. th i ton. The'valve port K' then registers y thus pfl g the P p H and with this disc arge orifice and at the same in its end the possibility of oil bein ti as alrwl 9 explained the ports K and I are in coincidence. The gaseous fluid Further in the event of any oil entering the whi h ha previously been compressed in the 85 part a d will not t d to be rr d u circulating about the tubes is then delivered ward into the receiver F. The lower part of as a percharg into the cylinder A. The this pipe or passage thus constitutes an oil d liv ry a ag J a is then closed by rotating trap and if necessary may be provided. with th valve K b k again d this ass 9 re- 90 some suitable device to permit of the esca e mains clo ed during the next three stro es of thence of oil which may accumulate therein th i t n, that; is t ay, during its' compresor to allow of such oil being drawn off from i w rki and exhaust strokes. During time to time. each instroke of the piston E however the The tubular receiver F is conveniently valve K may be rotated so as to open the 95 disposed vertically and communi ates a its inlet J and subsequently close it in order to upper end F with the interior of a cylindripermit a fresh supply of gaseous fluid to be cal casing J in which is a rotatable hollow drawn into the receiver F and compressed valve K. In this casing J are three ports nd cooled therein,

suitably positioned. One of these ports J The valve K may be so constructed and 1 0 leads to the end F of the receiver, the sec arranged that; its movements may be con- 0nd port Q 2 leads to the atmosphere I to trolled in such a manner as to allow of variaanother source of gas supply, While the third tion of the amount of the supercharge deport J communicates by a short passage with liverecl to the cylinder A. This. control may one or more ports A in the wall of the cylin- 3 b ht b ut in various ways as for 105 der A. This port A is so positioned that it instance by adjustment of the oscillations will be uncovered by the piston when it nears of th valve K or by axial movement. of it the end of its outstrolre. The rotary valve th f m tion f the valve and its casing J K also has three ports K. K and K. These being such that when the valve is so moved orts are so positioned that when the port the time during which the delivery outlet J no registers with the port J the port K will b opened an b .va,ried v registers with the port J in the valve cas- In place of the receiver bein formed of ing. If the valve is rotated so that the port a series of tubes as described above and registers with the port J, the port K shown in the drawin it may be constructed so will then register with the port J While as a pipe provided with means for cooling 11 the port J will then be closed. Thus by its exterior by air or water or it may be rotation of the valve K it is possible to place otherwise shaped and arranged to effect the the tubular l'eccii'cr F either in direct conidesired cooling. Convenientlythe ca acity municalion with the air or a. source of supof the receiver is such that it is approximateply of combustibl mixture or in communily equal to the volume swept through by the r20 cation'with the interior of the cylinder A. piston E so that the greater portion of'the As shown in the drawings the valve K is in gaseous fluid drawn into the receiver will be the position in which air or mixture can b confined thereto and W111 not pass into the drawn into the receiver F through the ports crank chamber D. J 2 K3. the interior of the valve K, and the The details of construction may be varied 12.- ports K J. If the valve is rotated through in accordance with requirements and the the gaseous fluid contained in the receparrangement may be modified to suit the tacle F can pass thence throu h the 'ports J construction of the en 'ne to which. the in- K, the int rior of the valve and the ports vc'ntion is applied. ere the engine has h, J" and L into the cylinder A. more than one cylinder the chambers in 15 be utilized to deliver a superc 20 crank case.

monies wnstitutmg the It only thus he'possible to have two or More eyhnders with a. common crank casing or separate chambers which are in cominunice tion with a common receiver whence su er charges are delivered to the cylin ers..' Again by suite n nmlticylinder engine having cranks approbly coupling the cylinders in prmtely disposed the pressure derived from theeompression of the gaseous fluid in a crank chamber of one or more 0 linders ma-y urge in another cylinder or cylinders.

In Fig. 2 is shown how the invention may be up lied to an engine having two or more cylin crs disposed Y-fnshion on a, common The pistons in the two cylinders A A illustrated in the figure are con.- heated to one and the same crank pin and the timing is so arranged. that when one piston is performing its'working stroke the other piston is performing its suction stroke. The disp sition ot the receiver F, the valve and conduits are shown cliagramfor clenmess of illustration butjt is to understood that the several ele present improve ments would be otherwise arranged in practies to reduce clearances in the conduits to a minimum and thereby "attain the highest possible elliciency. The valve casin J 'is )ridm! wit-h snort passz'iges leadmg to {ll-ts in the cylinders arranged n'll'e-r the .pmmncr described in ml'crencc to Fig. l. A single receiver 'onncrteil at one end by the "l.' H to the crank case 1) and at the other in to the .\z1l\' ceasing J serves for the :m'is fluid which are sup plml in rush nrler alternately. The valve within the easing .l so constructed Wis h 'l" urmxrgm to cooperate with those lending respectively to thetwo receiver, and the atmosphere,

I cylinders, tlL

Chart by, suit-.ahle movementof the valve it;

will he cause-:51 to control the entry of the gaseous fluid, into the rcmeirer hnd ils passnce thence. into each cylinder in tum 'i i'lm-t I claim as my irx-"cntion and desire to secure by letters Patent isr- 1. In an internal combustion engine using crank case compression for super-charging purposes the comb-motion of a closed crank rose, a. cylinder mounted on the crank ,With its end n open communication'with the interior of the cmnk case, valve'eom trolled mixture supply and'cxhaust ports in the cylinder head, 1:. piston. reciprocating in the cylinder. a crank disposed izr'the crnnk case on a. shaft extending thmugh the walls thereof and connected to the piston, a port in the wall of the cylinder positioned where at will be: uncovered by the pistonwwarcll ernnlz case, and piston controlled port, a

' trolled mixture o I I 1 a communicet'ing .pv tlnsanln' tlon between the receiver an the interior of.

the crankcase, means for, estublishiligflpmw municeti'on between the receiyer w angl -.11

source of so ply of gaseous fuel-whemcon munieatjon etwecn the rqoeiyerand they. I

s? and? i. i s. o ttu hy'the action, of the piston in; the .criink- ,cg.se,i end for establishing mlQqIl1BflfiOn.;.bQp-. t

tween the receiver an report: in the oylineder wall when communlcation, between; gth e lzo" receiver and the sources of gaseous-supplyin cutoff so that. gaseous flmclctnhejorcedq from the receiver into the cylinder; us-a sue pcrcharge by the action of thepistoniintheg,

cranlq case as set forth.

the cylinder head, a, lslqn i riegrnig,lsz the cylinder, a, crank dispo an the crank s .l jl. case on a shaft extending th-muglithe;wqllmlili thereof and connected tofthe. istongu ,qlflwinthe wall of the cylinder positioned as erel it will be Q the piston towgr l the. end ofi s. outstrolcc, toting a receiver mounted case, a pipe communication. between, Ceiy'er and the interior of sthe cren i; case, :i passage between the recei-verrandl the piston controlled pol-tin .the cylinder wull, a chamber in this respectively leading to t e receiver, to the cylinder port nnd to a source of sup ly of gaseous fluid, a valve action of the' pist on T:

in the crank case W11 be drawn into the v I sequently delivered into th hcylinder as a super-charge, and means for opera re, re as set forth. i 3. In an internal combustion cngineusing orank case compression for so erchargin .l purposes the combination'of a c osedoran case, a. cylinder mpuntedon the crank with its end in open communication with the interior of the crank unsw su P and. exhaust wit n the cylinder hang, a. iston reciprocating in the cylinder, a crank isposedmtha k l-.255: e

case on a. shaft extending through the walls; thereof and connected to the piston, sport'- in the well of the cylinder positioned where- I. it will he uncoyemd bv the plstontoward A the end of its outstro'ke,

in open communication igith so assage with ports. J05 I a con.- 1m

be uncovere communicatin stituting a receiver mounted outside the crank case and communicating with the piston controlled port of the-cylinder,- means for cooling the receiver, a pipe communication between the receiver and the interior of the crank case, means for establishing communication between the receiver and a source of supply when communication between the receiver and the port in the cylinderwall is cut ofl so that gaseous fluid can drawn from the source of supply into the receiver into tlie cylinder by the action of the piston in the crank caseas set forth.

4. In an internal combustion engine using crank case compression forsupercharging purposes the combination of a closed crank case, a cylinder mounted on the crank case with its end in open communication'with the interior of the crank case, valve controlled mixture sup ly and exhaust ports in the cylinder hea a piston reciprocating in the cylinder, a crank disposed in the crank case on a shaft extending through the walls thereof and connected to the piston, a port in the wall of the c linder positioned where it will d by the iston toward the end of its outstroke a cl amber constituting a receiver mounted outside the crank case and with the piston controlled port of the cy inder, a pipe extending from the receiver throu h the wall of the crank case with its end in the crank case carried up and the openin thereof directed toward the crank case we means for establishing communicationbetween the receiver and a source of supply of gaseous fluid when communication between, the receiver and the port in the cylinder wall is out oil so that gaseous fluid can be drawn from the source of supply into the receiver by the action of the iston in the crank case, and means for establishing communication between the receiver. and the port in the cylinder wall when communication between the receiver and the source of gaseous supply is cut off so that a supercharge of gaseous fluid can receiver into the cylinbe forced from the the piston in the crank der by the action of case as set forth.

5. In an internal combustion engine using crank case compression for supercharging purposes the combination of a closed crank case, a cylinder mounted on the crank case with its end in open communication with the interior of the crank case, valve controlled mixture sup ly and exhaust ports in the cylinder hea a istonrecilprocating in the cylinder, a cra dispose in' the crank.

case on a shaft extending through the walls thereof and connected to the piston, a port in the wall of the cylinder positioned were it will be uncovered by the piston toward the end of its outstroke, a chamber constituting a receiver mounted out-side the crank case, means for cooling the receiver, a ipe communication between the receiver an the interior of the crank case, a passage between the receiver and the piston controlled port in the cylinded wall, a chamber in this passage with ports respectively leading to the receiver, to the cylinder port and to a source of supply of gaseous fluid, a valve in this chamber controlling these ports and adapted to establish such communication between them that the reciprocating action of the piston in the crank case will cause the gase ous fluid to be drawn into the receiver and subsequently delivered into the cylinder as a supercharge, and means for operating this valve as set forth.

6. In an internal combustion engine using a crank case compression for supercharging purposes the combination ofa closed crank case, a cylinder mounted on the cranl case with its end in open communication with the interior of the crank case, valve controlled mixture supply and exhaust ports in the cylinder head, a piston reciprocating in the cylinder, a crank disposed in the crank case on a shaft extending through the walls thereof and connected to the piston, a port in the wall of the cylinder positioned where it will be uncovered by the piston toward the end of its outsroke, a chamber constituting a receiver mounted outside the crank case, a pipe extending from the receiver through the wall of the crank case with the end in the latter, carried up and the open ing thereof directed toward the crank case wall, a passage between the receiver and the piston controlled port in the cylinder wall, a chamber in this assage with ports respectively leading to the receiver, to the cylinder port and to a source of supply of gaseous fluid, a valve in this chamber controlling these ports and adapted to estab lish such communication between them that the reciprocating action of the piston in the crank case will cause gaseous fluid to be drawn into the receiver and subsequently delivered as asuper-charge into the cylinder, and means for operating this valve as set forth.

7. In an internal combustion engine using crank case compression for supercharging purposes the combination of a closed crank case, a cylinder mounted on the crank case with its end in open communication with the interior of the crank case, valve controlled mixture su ply and exhaust ports in the cylinder hea d, a piston reciprocating in the cylinder, a crank disposed in the crank thereof and connected to the piston, a ort in the wall of the cylinder positioned w ere V for esta lishin it'will be uncovered by the piston toward.

the end of its outstroke, a chamber constituting a, receiver mounted outside the crank case, incans-forgzooling the receiver, a pipe extending from the receiver through the wall of the crank case with the end in the latter extending upward and the opening thereof directed toward the crank case .wall, means for establishing communication between the receiver and a source of gaseous fluid supply when communication between the receiver and the port in the cylinder wall is cut ofi' so that gaseous fluid can'be drawn from the source of supply into the receiver by the action of the iston in the crank case, and means communication between the receiver-and t e port in the cylinder wall when communication between the receiver and the'source of gaseous supplyis cut oil so that a super-charge of gaseous fluid can 'be forced from the receiver into the cylinder by the action of the piston in the crank case a's-set forth.

8. In an internal combustion engine using crank case compression for supercharging purposes the combination ofa closed crank case, a cylinder mounted on the crank case with its end in open communication with the interior of the crank case, valve controlled mixture supply and exhaust ports in the cylinder head, a piston reciprocating in the cylinder, a crank disposed in the crank case on a shaft extending through the walls thereof and connected to the piston, a port. in the wall of this cylinder positioned where it will uncovered by the piston toward the end of its outstroke, a chamber constituting a receiver mounted outside the crank a, passage between the receiver case, mean's'for cooling the receiver, a pipe extendin from the receiver through the Wall of tie crank case with the end in the latter extending upward and the opening thereof directed toward the crank case wall,

and the pistomgontrolled port in the cylinder wall, a

ou's fluid,"a valve in this-cham Tlin'g these ports and adapted to establish chamberin this passage with ports respectively leading to the receiver, to the cylin der port and h). a source of supply of gasesu'ch communication between them that the reciprocating action of'the'piston' in the vera'nk-casewill cause gaseous fluid "to be Uti drawn into the receiver and subsequently delivered into the cylinder. as a super-charge,

and-means for opemtingthis'valvc "as set not rth."

In an internal'combustionengine using crank caseoompression for purposes, the combination of casein cylinder mounted on the crank case withrits end in open oouununicationl with a 'closed' thereof and connected to the or control-' .supercharginE the cylinden of the crank case, valvecontrolled mixturesupply and exhaust ports in the cylinder head, a iston reciprocating in the cylinder, a crank isposed in the crank case on a shaft extending through the walls piston, a ort in the wall of the cylinder positioned W ere it will be uncovered by the piston toward the end of its outstroke, a chamber constituting are'ceiver mounted outside the crank case andof a capacity approximately equal to the volume swept through by the piston, a pipe communication between the receiver and the interior of the crank case, means for establishing communication between the receiver and a source of supply of gaseous fluid when communication between the receiver and the port in. the cylinder wall is .cut oil so that gaseous fluid can be drawn cos supply is cut oil so that gaseous fluid a can be forced from the receiver into the 'cylinder as a super-charge by the action of the piston in the crank case as set forth.

10. In an internal combustion engine using crank case compression for supercharging purposes the combination of a closed crank case, a cylinder mounted on the crank with its end in open communication with the interior of the crank case, valve umtrolled mixture supply and exhaust ports in -the cylinder head, a piston rcciprmrating in the cylinder, a crank disposed in the crank case on a shaft cxtending through the walls thereof and connected to the piston, a port in the wall of the cylinder positioned where it will be uncovered by the piston toward the end of its outstroke, a chamber constituting a receiver mounted outside the crank case and having a capacity approximately equal to the volume swept through by the piston, means for cooling the receiver; ;a pipe communication between the receiver and the interior of the crank case, a passage between. the receiver and the piston controlled ort in the cyliu-n der wall, a chamber in t is passage with ports respectively leading to the receiver, to

y the cylinder flportand to a source of supply of gaseous 1id,-a valve in this chamber controlling these ports and adapted to estab-- :11. In an: scan,

using crank compression for super?- llSl1 S11Ch communication between them that.

case will cause gaseous fluid to be ,125 delivered as a super-charge into the cylindercombustion aengine charging purposes the combination of a closed crank case, a cylinder mounted on the crank case with its end in open communication with the interior of the crank case, valve controlled mixture suppl and exhaust ports in the cylinder hea a piston recipiocating in the cylinder, a crank disosed in the crank case on a shaft extending through the walls thereof and connected to the piston, a port in the wall of the cylinder positioned where it will be uncovered-by the )iston toward the end of its outstroke, a chamber constituting a receiver mounted outside the crank case and having a capacity approximately equal to the volume swept through by the piston, means for cooling the receiver, a pipe extending from the receiver through the wall of the crank A case with the end in the latter extended upward and the opening thereof directed toward the crank case wall, a passage between the receiver and the piston controlled port in the cylinder wall, a chamber in this passage with ports respectively leading to the receiver, to the cylinder port and to a source of so ply of gaseous fluid, a valve in this cham er controlling these ports and adapted to establish such communication between them that the reciprocating action of the piston in the crank case will cause gaseous fluid to be drawn into the receiver and subsequently delivered as a super-charge into the cylinder, and means for operating this valve as set forth.

12. In an internal combustion engine using crank case compression for supercharging purposes the combination of a closed crank case, a cylinder mounted on the crank case with its end in open communication with the interior of the crank case, valve controlled mixture supply and exhaust ports in the cylinder head, a piston reciprocating in the cylinder, a crank disposed in the crank caseon a shaft extending through the walls thereof and connected to a the piston, a port in the wall of the cylinder positioned where it will be uncovered b the piston toward the end of its outstrol i a chamber constituting a receiver mounted outside the crank case, a pipe communication between the receiver and the interior of the crank case, a. cylindrical chamber with ports respectively communicating with the receiver, with the port in the cylinder wall and with a source of supply of gaseous fluid, a rotatable 'valve in this chamber so constructed that when in one position it will establish communication between the re ceiver portand the gas supply port and when in a second position it will establish communication between the receiver port and the cylinder port so that by the action of the piston in the crank case gaseous'fluid can be drawn from the source of supply into the receiver and subsequently forced into the cylinder as a super-charge, and means for operating this valve as set forth.

'13. In an internal combustion engine using crank case compression for supercharging purposes the combination of a closed crank case, a cylinder mounted on the crank case with its end in open communication with the interior of the crank case, valve controlled mixture supply and exhaust ports in the cylinder head, a iston reciprocating in the cylinder, a crank isposcd in the crank case on a shaft extending through the walls thereof and connected to the piston, a port in the wall of the cylinder positioned where it will be uncovered by the piston toward the end of its outstroke, a chamber constituting a'receiver mounted outside the crank ease, means for cooling the receiver, a pipe communication between the receiver and the interior of the crank case, a cylindrical chamber with ports respectively communieating with the receiver, with the port in the cylinder wall and with a source of so ply of gaseous fluid, a rotatable valve in this chamber so constructed that when in one osition it will establish communication etween the receiver port and the gas supply port and when in a second position it will establish communication between the receiver port and the cylinder port so that by the action of the piston in the crank case gaseous fluid can be drawn from the source of supply into the receiver andsubsequently forced into the cylinder as a supercharge, and means for operating this valve as set forth. 7

14. In an internal combustion engine using crank case compression for super-' charging purposes the combination of a closed crank case, a cylinder mounted on the crank case with its end in n en communication with the interior 'ofx b crank case, valve controlled mixture supply and exhltust ports in the cylinder head, a piston rent tocating in the cylinder, a crank dispose in the crank case on asbaft extending through the walls thereof and connected to the piston, a, port in the wall of the cylinder positioned where itwill be uncovered by th p! ton toward the end of its outstroke, a daugber constituting a receiver mounted an i e the crank case, a pipe extending from the receiver through the wall of the crank case with the end-in the latter extended upward and the opening thereof directed toward the crank case wall, a cylindrical! hamber with ports'respectively communica l ng with the receiver, with 'theport in th cylinder wall and with a source of supply ,f gaseous fluid. a rotatable valve in this chamber so constructed that when in one position it will establish communication betweenl the re establish comnil the cylinder port so that by the action of the ssue el he a k epuafl id stn be ,fii i m i 0 5 111 lylee z ss again femin s s h rlin e as a tray; c larggfland cans for operating the valve 7 1- 3 l ,jllfi -h an'jinternal' combustion engine iisi ng crank case compression for supercharging. ,purposes the. combination of a closed crank case, a cylinder mounted on thecrank case with its end in open communicatioii; with [the interior of the crank case,

vial r'eicontrolled mixture supply and exhaust ports jin the cylinder head, a pistonvre'ciprocatingin the cylinder, acrank disposed in 'the crank case on a shaft extending through 3 the wallsthereof and connected to the piston, ap'crt in thelwall of the cylinder positinned where it will be uncoveredby the pistpn toward the end of its outstroke a chamber constituting a receiver mounted outside, the crank case I, and having a capacity approximatelyequal to the volume swept through by the piston, a pipe communication between the receiver and the interior of the crank case, a cylindrical chamber with ports v. :mmmunicating with the report in the cylinder wall and .with a source of supply of gaseous fluid,. ,a-, rotatable valve in this chamber so constm ctedthat when in one position it will establish communication between the receiverport and the gas supply port and wzheii in a second position it will establish communication between the receiver port and the cylinder p rt so that by the action the crank case gaseous fluid can be drawn from the source of supply into the receiver and subsequently fprced into the 'ylinder as a super-charge, andmeans for operatingthis valve as set forth. 7

,16, In, an "nternal combustion engine usingcrank case compression for supercharging purposes the combination of a closed crank case, a cylinder mounted on the crankcase with its end in open communication with the interior of the crank case, valve controlled mixture supply and exhaust ports in the cylinder head, a piston reciprocating in the cylinder, a crank disposed in the crank case on .a shaft extending through the walls' thereof and connected to the piston, a port in the wall oithe c linder positioncdwhere'it will be uncover by the piston toward the end of its outstroke, a chamber constituting a receiver mounted outside the crank case and having a capacity approximately equal to the volume swept through by the piston,

' means for cooling the receiver, a pipe ex tending from the receiver through the wall of the crank case with the end in the latter extended, upward and the opening thereof directed toward the crank case wall, a cylindrical chamber with ports respectively commumcatmg with the receiver, with the port forth.

'eral cylinders and with a source in the cylinder wall and with a source of suppl i oflgaseoum fluid, ".a rotatable valve 1 in this 0 amhcnso cpnstructedthatiwhen in one position it will establishcommunication between thereceivenportand the gas supply port and when in asecond position it will cstulblish communication between the receiver port and thecylinder .port so .that by the action of the iston in the crank case gaseous fluid can e drawn from the sgurce of supply into thev receiver and subsequently forced into the cylinder as a super-charge, and means for operating this valve as set 17. In an internal combustion engineusing crank case compression for superchargin purposes the combination of a closed cran case, a plurality of cylinders mounted on the crank case each with its end in open communication with the interior of the crank case, valve controlled mixture supply and exhaust ports in each cylinder head, pistons reciprocating in the several cylinders, a crank shaft disposed in the crank case, and connected to each piston, a port in the wall of each 0 linder positioned where it will be uncovered, by the piston therein toward the end of its outstroke, a chamber constituting a receiver mounted outside the crank case, andadapted to communicate with said pistoncontrolled port, a pipe communication between the recei'yer and the interior or the crank case, ,a chamber with ports respectively communicating with the receiver, with the piston controlled ports in the sevof supply of gaseous fluid, a valve in this chamber so constructed as to control said ports in a manner which will permit the entry of gaseous fluid into the receiver and itspassage thence into each cylinder in turn as a superchar as a result of the action of the pistons in the crank case, and means for operating the last said jvalye as set forth.

18. In an internal combustion engine using crank case compression. for supercharging purposes the combination if a closed crank case, a pluralitywof cylinders mounted on the crankcase each with its end in open communication with the interior of the crank; case,*'va1ve controlled mixture supply and exhaust-ports in each cylinder head,pi'stons reciprocating in the several cylinders;- a -crank' shaft disposed in the crankcase "and connected to each piston, a port in the wall of each cylinder positioned where it will be uncovered by the piston therein toward the end of its outstroke, a chamber constituting a receiver mounted outside the crank case, means for cooling the receiver, a pipe communication between the receiver and the interior of the crank case, a chamber with portsrespectively comm'unicatin with the receiver, with the piston contro ed ports in the several cylinders and with a source of supply of gaseous fluid, a receiver mounted outside the crank case, a a valve in this chamber so constructed as to pipe communication between the recelver control these ports in a, manner which will and the interior of the crank case, a cylmpermit the entry of gaseous fluid into the redrlcal chamber w1th ports respectively comceiver and its passage thence into each cyllnmuuicatin with the receiver, with the 1sdcr in turn as a supercharge'as a result of ton contro led ports in the several cyhn ers the action of the pistons in the crank case, and with a source of supply of gaseous fluid, and means for operating this valve as set a rotatable valve in this chamber so conforth. structed that according to the position nto 19. In an internal combustion engine uswhich 'it is moved it will permit the entry ing crank case compression for supcrchargof gaseous fluid into the receiver and its ing purposes the combination of a closed passage thence into each cylinder 111 turn as crank case,-a plurality of cylinders mounted a super-charge as a resultof the action of on the crank case each with its end in open the pistons in the crank case, and means for communication with the interior of the crank operating this valve as set forth.

case, valve controlled mixturesupply and 21. In an internal combustion engine usexhaust ports in each cylinder head, dpistons ing crank case compression for superchargreciprocating in the several cylin ers, a mg purposes the combination of a closed crank shaft disposed inthe crank case and crank case, a plurality of cylinders mounted connected to each piston, a port in the wall on the crank case each with its end In open of each 0 linder positioned where it will be communication with the interior of the 7 uncove by the piston therein toward the crank case, valve controlled mixture supply end of its outstr0ke,.a chamber constituting and exhaust ports in the cylinder head, pisa receiver mounted outside the crank case, a tons reciprocating in the several cylinders, pipe extending from the receiver through a crank shaft disposed in the crank case the wall of the crank case with the end in and connected to each of the pistons a art 0 the latter extended upward and the opening in the wall of each cylinder positioned w ere thereof directed toward the crank case wall, it will be uncovered by the iston therein a'chamber with ports respectively communitoward the end of its outstro c, a chamber eating with the receiver, with the piston conconstituting, a receiver mounted outside the trolled ports in the several cylinders and crank case, means for cooling the receiver, with a source of supply of gaseous fluid, a a pipe extending from the receiver throu l1 valve in this chamber so constructed as to the wall of the crank case with the end 1n control these ports in a manner which will the luttcr'cxtcndcd upward and the openin permit the entry of gaseous fluid into the re thereof directed toward the crank case wal ceiver and its pamage thence into each-cyla cylindrical chamber with ports respecinder in turn as a super-charg as a result of tivcly communicating with the receiver, with the action of the pistons in the crank case, the piston controlled ports in the several and means for operating this valve as set cylinders and with a source of supply of forth. gaseous fluid, a rotatable valve in this cham- 20. In an internal combustion engine usher so constructed that accordin to the posi ingcrank case compression for superchargtion into which it is moved it wi 1 permit the ing urposes the combination of a closed entry of the gaseous fluid into the receiver cran V case, a plurality of cylinders mounted and its passage thence into each cylinder in on the crank case each wit its end in open turn as a super-charge as a result of the accommunication with the interior of the tion of the pistons in the crank case, and -crank case, valve controlled mixture supply means for operating this valve as set forth. and exhaust ports in each cylinder head, pis- In testimony whereof I have signed my tons reciprocating .in the several cylinders, name-to this specification in the presence of a crank shaft disposed in the crank case and two subscribing witnesses.

connected'tp each piston, a port in the wall ALAN ERNEST LEOFRIO OHORhTON. of each 0 lmder P0 S1tl0l'led where it will be Witnesses: uncove by the piston therein toward the R. E. Duncan Kmimm,

end of its outstroke, a chamber constituting M. M. Nmrrrmoam. 

